An image output apparatus includes: a stereoscopic image generation unit that is provided with a first image and a second image with a parallax relative to the first image and that generates a stereoscopic image based on the first image and the second image, wherein the first image is provided from a first image acquisition unit that acquires the first image by picking up an image of a subject, and the second image is provided from a second image acquisition unit that acquires the second image by picking up an image of the subject a two-dimensional image generation unit that generates a two-dimensional image based on the first image or the second image a plurality of output units that can output the stereoscopic image and the two-dimensional image and a switching unit that can switch, for each of the output units, which image of the stereoscopic image and the two-dimensional image is supplied to the plurality of output units.
